--- /dev/null
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.atomix.utils.misc;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+public class StringUtilsTest {
+
+ @Test
+ public void testNull() {
+ assertNull(StringUtils.split(null, ","));
+ }
+
+ @Test
+ public void testFilter() {
+ String[] result = StringUtils.split("1, ,,", ",");
+ assertNotNull(result);
+ assertEquals(1, result.length);
+ assertEquals("1", result[0]);
+ }
+}